Hair cutting machine



FIG. 1 is a front perspective view showing the new design according to an embodiment;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings illustrate portions of environmental structure and form no part of the claimed design. 

The ornamental design for a hair cutting machine, as shown and described. 